ANSWERS: 1
  • Some facts: Opened to traffic: North tube Feb. 1, 1945 Center tube Dec. 22, 1937 South tube May 25, 1957 Width of each tunnel roadway 21 feet, 6 Inches Operating headroom 13 feet External diameter of tunnel 31 feet Maximum depth from mean high water to roadway 97 feet Length of tunnel (portal to portal): North tube 7,482 feet Center tube 8,216 feet South tube 8,006 feet Number of toll lanes 13* Sources: http://www.nycroads.com/crossings/lincoln/

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